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logger._print('Original array = [' + D.join(', ') + ']');

function heapSort(array, size) {

var i, j, temp;

for (i = Math.ceil(size / 2) - 1; i >= 0; i--) {

heapify(array, size, i);

}

for (j = size - 1; j >= 0; j--) {

temp = array[0];

array[0] = array[j];

array[j] = temp;

tracer._notify(0, array[0])._notify(j, array[j]);

logger._print('Swapping elements : ' + array[0] + ' & ' + array[j])._wait();

tracer._denotify(0)._denotify(j);

tracer._select(j)._wait();

heapify(array, j, 0);

tracer._deselect(j);

}

}

function heapify(array, size, root) {

var largest = root;

var left = 2 * root + 1;

var right = 2 * root + 2;

var temp;

if (left < size && array[left] > array[largest]) {

largest = left;

}

if (right < size && array[right] > array[largest]) {

largest = right;

}

if (largest != root) {

temp = array[root];

array[root] = array[largest];

array[largest] = temp;

tracer._notify(root, array[root])._notify(largest, array[largest]);

logger._print('Swapping elements : ' + array[root] + ' & ' + array[largest])._wait();

tracer._denotify(root)._denotify(largest);

heapify(array, size, largest);

}

}

heapSort(D, D.length);

logger._print('Final array = [' + D.join(', ') + ']');